* [PATCH v2 0/5] STM32 add usart nodes support
@ 2020-06-18 13:06 Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Add the support of uart instances available on STM32MP157 boards:
- usart3 on stm32mp157c-ev1, stm32mp157a-dk1, and stm32mp157c-dk2
- uart7 on stm32mp157a-dk1 and stm32mp157c-dk2
- usart2 on stm32mp157c-dk2
Erwan Le Ray (5):
ARM: dts: stm32: add usart2, usart3 and uart7 pins in
stm32mp15-pinctrl
ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
ARM: dts: stm32: add usart3 node to stm32mp157c-ev1
ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards
ARM: dts: stm32: add usart2 node to stm32mp157c-dk2
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 138 +++++++++++++++++++++++
arch/arm/boot/dts/stm32mp157a-dk1.dts | 2 +
arch/arm/boot/dts/stm32mp157c-dk2.dts | 11 ++
arch/arm/boot/dts/stm32mp157c-ev1.dts | 15 +++
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 17 +++
5 files changed, 183 insertions(+)
--
2.17.1
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH v2 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
@ 2020-06-18 13:06 ` Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Adds usart2_pins_c, usart3_pins_b, usart3_pins_c and uart7_pins_c pins
configurations in stm32mp15-pinctrl.
- usart2_pins_c pins are connected to Bluetooth chip on dk2 board.
- usart3_pins_b pins are connected to GPIO expansion connector on evx board.
- usart3_pins_c pins are connected to GPIO expansion connector on dkx board.
- uart7_pins_c pins are connected to Arduino Uno connector on dkx board.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Changes in v2:
- Update UART7 pins comments. Comments indicated "USART" instead of "UART".
diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index fb98a66977fe..21b0906accf3 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1658,6 +1658,36 @@
};
};
+ uart7_pins_c: uart7-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('E', 8, AF7)>; /* UART7_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
+ bias-disable;
+ };
+ };
+
+ uart7_idle_pins_c: uart7-idle-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('E', 8, ANALOG)>; /* UART7_TX */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
+ bias-disable;
+ };
+ };
+
+ uart7_sleep_pins_c: uart7-sleep-1 {
+ pins {
+ pinmux = <STM32_PINMUX('E', 8, ANALOG)>, /* UART7_TX */
+ <STM32_PINMUX('E', 7, ANALOG)>; /* UART7_RX */
+ };
+ };
+
uart8_pins_a: uart8-0 {
pins1 {
pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
@@ -1719,6 +1749,42 @@
};
};
+ usart2_pins_c: usart2-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('D', 5, AF7)>, /* USART2_TX */
+ <STM32_PINMUX('D', 4, AF7)>; /* USART2_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <3>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 6, AF7)>, /* USART2_RX */
+ <STM32_PINMUX('D', 3, AF7)>; /* USART2_CTS_NSS */
+ bias-disable;
+ };
+ };
+
+ usart2_idle_pins_c: usart2-idle-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('D', 5, ANALOG)>, /* USART2_TX */
+ <STM32_PINMUX('D', 4, ANALOG)>, /* USART2_RTS */
+ <STM32_PINMUX('D', 3, ANALOG)>; /* USART2_CTS_NSS */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 6, AF7)>; /* USART2_RX */
+ bias-disable;
+ };
+ };
+
+ usart2_sleep_pins_c: usart2-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('D', 5, ANALOG)>, /* USART2_TX */
+ <STM32_PINMUX('D', 4, ANALOG)>, /* USART2_RTS */
+ <STM32_PINMUX('D', 6, ANALOG)>, /* USART2_RX */
+ <STM32_PINMUX('D', 3, ANALOG)>; /* USART2_CTS_NSS */
+ };
+ };
+
usart3_pins_a: usart3-0 {
pins1 {
pinmux = <STM32_PINMUX('B', 10, AF7)>; /* USART3_TX */
@@ -1732,6 +1798,78 @@
};
};
+ usart3_pins_b: usart3-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
+ <STM32_PINMUX('I', 10, AF8)>; /* USART3_CTS_NSS */
+ bias-disable;
+ };
+ };
+
+ usart3_idle_pins_b: usart3-idle-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+ <STM32_PINMUX('I', 10, ANALOG)>; /* USART3_CTS_NSS */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
+ bias-disable;
+ };
+ };
+
+ usart3_sleep_pins_b: usart3-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+ <STM32_PINMUX('I', 10, ANALOG)>, /* USART3_CTS_NSS */
+ <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
+ };
+ };
+
+ usart3_pins_c: usart3-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
+ <STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS_NSS */
+ bias-disable;
+ };
+ };
+
+ usart3_idle_pins_c: usart3-idle-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+ <STM32_PINMUX('B', 13, ANALOG)>; /* USART3_CTS_NSS */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
+ bias-disable;
+ };
+ };
+
+ usart3_sleep_pins_c: usart3-sleep-1 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+ <STM32_PINMUX('B', 13, ANALOG)>, /* USART3_CTS_NSS */
+ <STM32_PINMUX('B', 12, ANALOG)>; /* USART3_RX */
+ };
+ };
+
usbotg_hs_pins_a: usbotg-hs-0 {
pins {
pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH v2 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
@ 2020-06-18 13:06 ` Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Adds usart3 node to stm32mp15xx-dkx and usart3 alias to stm32mp157a-dk1
and stm32mp157c-dk2 boards. usart3 pins are connected to GPIO Expansion
connector. usart3 is disabled by default.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index d03d4cd2606a..65ee61b7667a 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -18,6 +18,7 @@
aliases {
ethernet0 = ðernet0;
serial0 = &uart4;
+ serial1 = &usart3;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index 9a8a26710ac1..fb690a817e28 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -19,6 +19,7 @@
aliases {
ethernet0 = ðernet0;
serial0 = &uart4;
+ serial1 = &usart3;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index e5fdbc149bf4..243aa4b2063d 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -591,6 +591,15 @@
status = "okay";
};
+&usart3 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&usart3_pins_c>;
+ pinctrl-1 = <&usart3_sleep_pins_c>;
+ pinctrl-2 = <&usart3_idle_pins_c>;
+ uart-has-rtscts;
+ status = "disabled";
+};
+
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH v2 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 1/5] ARM: dts: stm32: add usart2, usart3 and uart7 pins in stm32mp15-pinctrl Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
@ 2020-06-18 13:06 ` Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Adds the usart3 node to stm32mp157c-ev1 board. usart3 pins are connected to
GPIO Expansion connector. usart3 is disabled by default.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Changes in v2:
- Add a comment to indicate how to wire USART3_RTS flow control to the GPIO
expansion connector on ev1.
diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index b19056557ef0..85628e16d2d5 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -19,6 +19,7 @@
aliases {
serial0 = &uart4;
+ serial1 = &usart3;
ethernet0 = ðernet0;
};
@@ -341,6 +342,20 @@
};
};
+&usart3 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&usart3_pins_b>;
+ pinctrl-1 = <&usart3_sleep_pins_b>;
+ pinctrl-2 = <&usart3_idle_pins_b>;
+ /*
+ * HW flow control USART3_RTS is optional, and isn't default wired to
+ * the connector. SB23 needs to be soldered in order to use it, and R77
+ * (ETH_CLK) should be removed.
+ */
+ uart-has-rtscts;
+ status = "disabled";
+};
+
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH v2 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
` (2 preceding siblings ...)
2020-06-18 13:06 ` [PATCH v2 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
@ 2020-06-18 13:06 ` Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray
2020-07-21 8:09 ` [PATCH v2 0/5] STM32 add usart nodes support Alexandre Torgue
5 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Adds uart7 node to stm32mp15xx-dkx and uart7 alias to stm32mp157a-dk1 and
stm32mp157c-dk2 boards. uart7 pins are connected to Arduino connector.
uart7 is disabled by default.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index 65ee61b7667a..4c8be9c8eb20 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -19,6 +19,7 @@
ethernet0 = ðernet0;
serial0 = &uart4;
serial1 = &usart3;
+ serial2 = &uart7;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index fb690a817e28..ffbae4a8753d 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -20,6 +20,7 @@
ethernet0 = ðernet0;
serial0 = &uart4;
serial1 = &usart3;
+ serial2 = &uart7;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index 243aa4b2063d..cfbe3e2afef2 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -591,6 +591,14 @@
status = "okay";
};
+&uart7 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&uart7_pins_c>;
+ pinctrl-1 = <&uart7_sleep_pins_c>;
+ pinctrl-2 = <&uart7_idle_pins_c>;
+ status = "disabled";
+};
+
&usart3 {
pinctrl-names = "default", "sleep", "idle";
pinctrl-0 = <&usart3_pins_c>;
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH v2 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
` (3 preceding siblings ...)
2020-06-18 13:06 ` [PATCH v2 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
@ 2020-06-18 13:06 ` Erwan Le Ray
2020-07-21 8:09 ` [PATCH v2 0/5] STM32 add usart nodes support Alexandre Torgue
5 siblings, 0 replies; 7+ messages in thread
From: Erwan Le Ray @ 2020-06-18 13:06 UTC (permalink / raw)
To: Maxime Coquelin, Alexandre Torgue, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel,
Erwan Le Ray, Fabrice Gasnier
Adds the usart2 node to stm32mp157c-dk2 board. usart2 pins are connected
to Bluetooth component. usart2 is disabled by default.
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index ffbae4a8753d..045636555ddd 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -21,6 +21,7 @@
serial0 = &uart4;
serial1 = &usart3;
serial2 = &uart7;
+ serial3 = &usart2;
};
chosen {
@@ -86,3 +87,11 @@
};
};
};
+
+&usart2 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&usart2_pins_c>;
+ pinctrl-1 = <&usart2_sleep_pins_c>;
+ pinctrl-2 = <&usart2_idle_pins_c>;
+ status = "disabled";
+};
--
2.17.1
^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH v2 0/5] STM32 add usart nodes support
2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
` (4 preceding siblings ...)
2020-06-18 13:06 ` [PATCH v2 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray
@ 2020-07-21 8:09 ` Alexandre Torgue
5 siblings, 0 replies; 7+ messages in thread
From: Alexandre Torgue @ 2020-07-21 8:09 UTC (permalink / raw)
To: Erwan Le Ray, Maxime Coquelin, Rob Herring, Mark Rutland
Cc: linux-stm32, linux-arm-kernel, devicetree, linux-kernel, Fabrice Gasnier
Hi Erwan
On 6/18/20 3:06 PM, Erwan Le Ray wrote:
> Add the support of uart instances available on STM32MP157 boards:
> - usart3 on stm32mp157c-ev1, stm32mp157a-dk1, and stm32mp157c-dk2
> - uart7 on stm32mp157a-dk1 and stm32mp157c-dk2
> - usart2 on stm32mp157c-dk2
>
> Erwan Le Ray (5):
> ARM: dts: stm32: add usart2, usart3 and uart7 pins in
> stm32mp15-pinctrl
> ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
> ARM: dts: stm32: add usart3 node to stm32mp157c-ev1
> ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards
> ARM: dts: stm32: add usart2 node to stm32mp157c-dk2
>
> arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 138 +++++++++++++++++++++++
> arch/arm/boot/dts/stm32mp157a-dk1.dts | 2 +
> arch/arm/boot/dts/stm32mp157c-dk2.dts | 11 ++
> arch/arm/boot/dts/stm32mp157c-ev1.dts | 15 +++
> arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 17 +++
> 5 files changed, 183 insertions(+)
>
With minor changes:
Series applied on stm32-next.
Regards
Alex
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2020-07-21 8:09 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2020-06-18 13:06 [PATCH v2 0/5] STM32 add usart nodes support Erwan Le Ray
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2020-06-18 13:06 ` [PATCH v2 2/5] ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 3/5] ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 4/5] ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards Erwan Le Ray
2020-06-18 13:06 ` [PATCH v2 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2 Erwan Le Ray
2020-07-21 8:09 ` [PATCH v2 0/5] STM32 add usart nodes support Alexandre Torgue
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